error:
       … while evaluating the attribute 'drvPath'
         at «https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1056542.f4b6996c4e8b/nixexprs.tar.xz?narHash=sha256-tkD1h/1jLJ6qZHjG7/TOZT1qqI1ej3VPPCufHQyv1Uo%3D»/lib/customisation.nix:416:11:
          415|         // {
          416|           drvPath =
             |           ^
          417|             assert condition;

       … while calling the 'derivationStrict' builtin
         at «nix-internal»/derivation-internal.nix:37:12:
           36|
           37|   strict = derivationStrict drvAttrs;
             |            ^
           38|

       … while evaluating the option `driverConfigurationFile':

       … while evaluating the option `driverConfiguration.vms.target.start_script':

       … while evaluating definitions from `/nix/store/p17akwn814w226jq2cdkkhcw4psb0ga9-source/nixos/lib/testing/driver-configuration.nix':

       … while evaluating the option `nodes.target.environment.etc.install-closure.source':

       … while evaluating definitions from `<unknown-file>':

       … while evaluating definitions from `/nix/store/wbbpmyv387xqysv79nz6cp85k7bflyz4-source/modules/clan/module.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Flake does not have 'input' named 'nixpkgs'